I think it's learning what your hair likes. Before I started lurking on nc.com and using product/technique, my hair was barely wavy in the winter. Since I've learned how to take care of it, it looks like my signature picture all year around.

When the dewpoints are low, you need to up the moisture. When the air doesn't have moisture, it sucks it out of your hair and skin. I use an extra layer of product--leave in AND curl enhancer with a jelly product. I also keep up the protein with moisturizing PTs. It helps tighten curl, increase volume and reduce frizz for me.